260 (DE. A. C. OtTDEMAKS) LIST Or DUTCH ACAEI. 



Knemidocoptes Fürst. 1870. 



86. Knemidocoptes mutans Rob. 



On Gallina gallus, Amsterdam (P. Koorevaar). 



Psoroptes Gerv. 1844. 



87. Psoroptes exulcerans L. 



On Equns cahallus. — Very common in all our provinces. 

 Amsterdam (P. Koorevaar). 



88. Psoroptes exulcerans L. var. ìjovis Van Leeuwen. 



On Bos taurus. Amsterdam (P. Koorevaar). 



89. Psoroptes exculcerans L. var. cuniculi Mégn. 



On Lepus cuniculîis domesticus, Amsterdam (P. Koorevaar). 



90. Psoroptes exulcerans L. var. ovis Hering. 



On Ovis aries ^ Amsterdam (P. Koorevaar). — Very com- 

 mon in all our provinces. Tlie Hague (Mr. Lamer is). 



Chorioptes Gerv. 1859. 



91. Chorioptes equi Gerl. 



On Equus cahallus. Amsterdam (P. Koorevaar). The most 

 common horse-itch in our country. 



92. Chorioptes equi Gerl. var. hovis Gerl. 



On Bos taurus, Amsterdam (P. Koorevaar). 



Dermatophagoides Bogd. 1 864. 



93. Dermatophagoides sp? (see p. 268). 



In a comedo of my own face, Utrecht, 1, 1879. 



SIMONIDA, Vogt. 1850. 

 Demodex Owen 1843. 



94. Bemodex folliculorum Sim. 



On Ijomo sapiens, Utrecht, The Hague, Sneek, Arnhem. 



95. Bemodex folliculorum Sim. var. caìiis Leydig. 



On Canis familiaris , Amsterdam, (P. Koorevaar). 



96. Bemodex folliculorum Sim. var. musculi mihi, (see p. 269). 



On Mns mnsculns, Utrecht, 6. 



